There are
488 mi
from Davenport, IA to Gahanna, OH
That's the driving distance. It would take 9 hours 12 mins to go from Davenport, Iowa to Gahanna, Ohio.
The flight distance (direct flight from Davenport, IA to Gahanna, OH) is 415.85 mi.
488 mi = 784.67 kms